def loadURL(self, location, headers=None):
p = urlparse.urlparse(location)
if not p.scheme == 'pmr':
# standard urls.
return super(PmrUrlOpener, self).loadURL(location, headers=headers)
# Fragments for the location of the object to be loaded are
# delimited by colons. Shouldn't contain any colons in any of
# them, but the filepath might so we limit splits to two.
objpath, rev, filepath = p.path.split(':', 2)
# strip off the leading `/` hint for urljoin.
filepath = filepath[1:]
portal = getSite()
workspace = portal.restrictedTraverse(objpath.split('/'))
storage = IStorage(workspace)
storage.checkout(rev)
pathinfo = storage.pathinfo(filepath)
if pathinfo.get('external'):
kws = {}
kws.update(pathinfo['external'])
target = external_to_url(kws)
return self.loadURL(target)
# Using this instead of contents to ignore directories.
return storage.file(filepath)